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Gas Turbine Startup Structure

A technology of gas turbines and gas compressors, which is applied in the direction of gas turbine devices, machines/engines, mechanical equipment, etc., and can solve problems such as hidden dangers in the safe operation of gas turbines and failure of gas turbines to operate normally

Active Publication Date: 2021-11-02
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Explosive start-up will cause certain hidden dangers to the overall safe operation of the gas turbine
And the above-mentioned start-up device is only used as a start-up device independent of the gas turbine unit, and does not substantially help the normal operation of the gas turbine after start-up

Method used

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  • Gas Turbine Startup Structure
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Embodiment Construction

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0037] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations ...

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Abstract

An embodiment of the present invention provides a starting structure for a gas turbine, comprising: a compressor casing (1), a compressor impeller (5) is arranged inside, and the compressor impeller (5) is positioned around the compressor casing (1) The rotation shaft (R) at the inner center rotates; the bleed air channel casing (2) is located outside the compressor casing (1) and axially cooperates with the compressor casing (1) to cooperate with the compressor casing (1) An annular airflow channel (3) is formed between the machine casings (1); wherein, the compressor casing (1) is provided with an air-introduction slot (4) in the circumferential direction. On the one hand, the structure has the advantages of simple structure and light weight. On the other hand, it also solves the problem that the gas turbine starting device in the prior art cannot be reused.

Description

technical field [0001] The invention relates to the technical field of gas turbines, in particular to a starting structure of a gas turbine. Background technique [0002] A gas turbine is an internal combustion power machine that converts the chemical energy of fuel into mechanical energy by driving the impeller to rotate at high speed through continuous air flow. [0003] A gas turbine generally consists of three components: a compressor, a combustor, and a turbine. When the gas turbine is working normally, the compressor sucks in the outside air and compresses it. The high-pressure air enters the combustion chamber, mixes with the atomized fuel, and then combusts to generate high-temperature and high-pressure gas. Rotate to continuously convert the energy of the fuel into mechanical energy. [0004] The power consumed by the compressor to compress the air needs to be provided by the turbine. During the start-up process of the gas turbine, before ignition and after ignit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02C7/27
CPCF02C7/27
Inventor 李育隆李靖奇吴宏
Owner BEIHANG UNIV
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